Scientists often give animals way more sugar than people normally eat—sometimes more than half their calories—and use pure fructose, which isn’t how humans usually consume sugar. So, the results from these animal studies might not apply to real human diets.

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Evidence from Studies

Supporting (1)

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Current WHO recommendation to reduce free sugar intake from all sources to below 10% of daily energy intake for supporting overall health is not well supported by available evidence

Narrative Review

2022 Jul 6

This study says that animal experiments use way too much sugar—way more than people normally eat—and that’s why we can’t use them to tell people how much sugar they should eat. That matches the claim perfectly.

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No contradicting evidence found

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According to GRADE and EBM methodology, here is what ideal scientific evidence would look like to definitively prove or disprove this specific claim, ordered from strongest to weakest evidence.

Source Study

Current WHO recommendation to reduce free sugar intake from all sources to below 10% of daily energy intake for supporting overall health is not well supported by available evidence

Score: 1

DOI: 10.1093/ajcn/nqac084

Similar Assertions

Giving people way more sugar than anyone normally eats in a day can make them sick — but that doesn’t mean normal sugar intake is harmful.

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71%

Lab studies that give people pure fructose or pure glucose don’t reflect what people actually eat — we usually consume sugar as table sugar or corn syrup, which are mixtures, so those lab results don’t apply to real life.

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70%